Fettouch, HouariDahmani, ZoubirBeddani, HamidIbrahim, Rabha WaelJarad, Fahd2026-04-032026-04-0320261229-1595https://hdl.handle.net/20.500.12416/16048https://doi.org/10.22771/nfaa.2026.31.01.01eninfo:eu-repo/semantics/closedAccessFractional Langevin Equationϕ-Caputo DerivativeSchauder Fixed Point TheoremFractional IntegralExistence and UniquenessBanach Contraction PrincipleSequential Langevin Equations Involving a Generalized Type of Caputo DerivativesArticle10.22771/nfaa.2026.31.01.012-s2.0-105031725281